Home / 7,692.24-11,517.78-4,903.80

Finding the Fourth Proportional to 7,692.24, 11,517.78 and 4,903.80

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Solution

The fourth proportional to 7,692.24, 11,517.78 and 4,903.80 is: 7,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,692.24 : 11,517.78 = 4,903.80 : x
  2. Step 2: Convert to fraction form
    7,692.24/11,517.78 = 4,903.80/x
  3. Step 3: Cross multiply
    7,692.24x = 11,517.78 × 4,903.80
  4. Step 4: Simplify right side
    7,692.24x = 56,480,889.56
  5. Step 5: Solve for x
    x = 56,480,889.56/7,692.24
  6. Step 6: Final answer
    x = 7,342.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.